Question

Which explains the number of decimal places in the product 0.42×3.8×10.51

Answer 1

0.42.......2 numbers in the decimal side
3.8.........1 number in the decimal side
10.51.....2 numbers in the decimal side

so u have a total of 5 numbers in the decimal side...so there are 5 decimal places in the product

check..
0.42 * 3.8 * 10.51 = 16.77396...(correct)...5 decimal places